/* This function is executed by the first task that is started
* by pico]OS ( see the nosInit()-call in main(), file ex_init4.c ).
*/
void firsttask(void *arg)
{
NOSTASK_t t;
/* Avoid compiler warning. "arg" is the "NULL" in the nosInit()-call */
(void) arg;
nosPrint("First task started\n");
/* start a second task */
t = nosTaskCreate(secondtask, /* pointer to new task-function */
"Task 2", /* optional argument for the task-function */
2, /* priority level of the new task */
0, /* stack size (0 = default size) */
"task2"); /* optional name of the second task */
if (t == NULL)
{
nosPrint("Failed to start second task!\n");
}
for(;;)
{
/* print string: "Task 1" */
nosPrint("Task 1\n");
/* sleep (=do nothing) for one second */
nosTaskSleep(MS(1000));
}
}
/*
* Wait for another thead to terminate.
* Not very sophisticated implementation, just loops and waits.
*/
wwd_result_t host_rtos_join_thread(host_thread_type_t* thread)
{
while (!nosTaskUnused(*thread)) {
nosTaskSleep(MS(10));
}
return WWD_SUCCESS;
}
/* This function is executed by the second task that is set up
* in the function firsttask() by a call to nosTaskCreate()
*/
void secondtask(void *arg)
{
char *name = (char*) arg;
for(;;)
{
/* print string: "Task 2" */
nosPrintf1("%s\n", name);
/* sleep (=do nothing) for two seconds */
nosTaskSleep(MS(2000));
}
}
/*
* Sleep.
*/
wwd_result_t host_rtos_delay_milliseconds(uint32_t ms)
{
nosTaskSleep(MS(ms));
return WWD_SUCCESS;
}